Sean Koster
USATT#: 212045
1342 1340
TT&M Friday Night Butterfly League
19 May 2017
19 May 2017
This page explains how Sean Koster (USATT# 212045)'s rating went from 1342 to 1340 at the TT&M Friday Night Butterfly League event from 19 May 2017. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.